[Form 4] Chubb Ltd Insider Trading Activity

Rhea-AI Filing Summary

Chubb Ltd Executive Vice President Peter C. Enns reported equity awards under the Chubb Limited 2016 Long-Term Incentive Plan. On March 2, 2026, he acquired 8,096 Performance Stock Units (PSUs) in each of two premium performance tranches and 2,699 Common Shares in each of two restricted stock awards.

The PSUs and restricted shares vest, in whole or in part, after a three-year performance period, subject to service and performance-based criteria. Each PSU represents a contingent right to receive one Common Share, and dividends on both PSUs and restricted stock accumulate and are paid only if and when the awards vest.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Enns Peter C.

(Last) (First) (Middle)

THE CHUBB BUILDING

17 WOODBOURNE AVENUE

(Street)

HAMILTON D0 HM 08

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Chubb Ltd [ CB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Executive Vice President and*

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Shares	03/02/2026		A		2,699	A	$0	40,613(1)	D
Common Shares	03/02/2026		A		2,699	A	$0	43,312(2)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Performance Stock Units	$0	03/02/2026		A	V	8,096		(3)	(3)	Common Shares	8,096	$0(3)	8,096	D
Performance Stock Units	$0	03/02/2026		A	V	8,096		(4)	(4)	Common Shares	8,096	$0(4)	16,192	D
Performance Stock Units	$0							(5)	(5)	Common Shares	(5)		48,000(5)	D

Explanation of Responses:

1. Restricted stock award pursuant to the Chubb Limited 2016 Long-Term Incentive Plan (the "Plan"). Stock vests, in whole or in part, subject to the satisfaction of certain service and performance-based criteria on the later of the third anniversary of the date of the award and the date of certification of satisfaction of performance-based criteria for the three-year performance period. Dividends shall be accumulated and distributed only when, and to the extent, that the shares have vested.

2. Restricted stock award pursuant to the Plan, representing a premium performance award with respect to the performance-based restricted stock awards described above. Stock vests, in whole or in part, subject to the satisfaction of certain service and performance-based criteria on the later of the third anniversary of the date of the award and the date of certification of satisfaction of performance-based criteria for the three-year performance period. Shares will not be entitled to vote until vested. Dividends shall be accumulated and distributed only when, and to the extent, that the shares have vested.

3. Award of performance stock units ("PSUs") pursuant to the Chubb Limited 2016 Long-Term Incentive Plan (the "Plan") that vests, in whole or in part, subject to the satisfaction of certain service and performance based criteria on the later of the third anniversary of the date of the award and the date of certification of satisfaction of performance based criteria for the three-year performance period. Each PSU represents a contingent right to receive one Common Share, and any PSUs that do not vest will be cancelled. Dividends shall be accumulated and distributed only when, and to the extent that the PSUs have vested.

4. Award of PSUs pursuant to the Plan representing a premium performance award with respect to the PSUs described above that vests, in whole or in part, subject to the satisfaction of certain service and performance based criteria on the later of the third anniversary of the date of the award and the date of certification of satisfaction of performance based criteria for the three-year performance period. Each PSU represents a contingent right to receive one Common Share, and any PSUs that do not vest will be cancelled. Dividends shall be accumulated and distributed only when, and to the extent that the PSUs have vested.

5. Total includes previously reported PSUs from other tranches with different vesting and expiration dates.

Remarks:

*Chief Financial Officer

	/s/ Samantha Froud, Attorney-in-Fact	03/04/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transactions did Chubb (CB) report for Peter C. Enns?

Chubb reported that Executive Vice President Peter C. Enns received equity awards. He was granted Performance Stock Units and restricted Common Shares under the Chubb Limited 2016 Long-Term Incentive Plan, all at a price of $0.00 per share as part of his compensation.

How many Performance Stock Units did Peter C. Enns acquire at Chubb (CB)?

Peter C. Enns acquired 8,096 Performance Stock Units in each of two separate premium performance tranches. These PSUs vest based on service and performance criteria over a three-year period, with each unit representing a contingent right to receive one Chubb Common Share upon vesting.

What Common Share awards did Peter C. Enns receive from Chubb (CB)?

Peter C. Enns received two restricted stock awards of 2,699 Chubb Common Shares each. These shares were granted at $0.00 per share and vest after a three-year performance period, subject to specified service and performance-based conditions under the company’s long-term incentive plan.

When do the Chubb (CB) equity awards to Peter C. Enns vest?

The awards vest on the later of the third anniversary of the grant date and the certification of performance results for the three-year period. Vesting depends on meeting both service and performance-based criteria outlined in the Chubb Limited 2016 Long-Term Incentive Plan.

Do the Chubb (CB) Performance Stock Units for Peter C. Enns pay dividends before vesting?

Dividends on Peter C. Enns’s Performance Stock Units are not paid currently. Instead, dividends are accumulated and distributed only when, and to the extent that, the units vest, aligning payout with the achievement of required performance and service conditions.

What happens to unvested Chubb (CB) Performance Stock Units granted to Peter C. Enns?

Any Performance Stock Units granted to Peter C. Enns that fail to meet the required service or performance conditions will be cancelled. Only PSUs that satisfy the three-year performance and service criteria convert into Chubb Common Shares and receive accumulated dividends.